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Oxygen absorption effect on the sensitivity and material stability of ZnO nanostructured films
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Semiconductor Materials.
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology.
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Applied Physics.ORCID iD: 0000-0002-2817-3574
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Semiconductor Materials.
2008 (English)In: Proceedings of IEEE Sensors, IEEE , 2008, 874-877 p.Conference paper, Published paper (Refereed)
Abstract [en]

In this work the effect of ambient influence on the electrical conductivity of ZnO films has been studied. Nanostructured ZnO films (undoped and Ga, Co, Mn doped) were exposed to oxygen (1-80 vol.%) at temperature range 300-500degC. A dominant effect of ambient influence via oxygen absorption was observed: the intensity of conductivity decrease was found to be proportional with temperature and tends to saturation with time. After oxygen saturation the reversible effect of oxygen adsorption became dominant and contributed to the films conductivity. Oxygen exposed undoped ZnO films revealed high sensitivity for oxygen content change in the ambience, therefore they have been further processed for gas sensor fabrication.

Place, publisher, year, edition, pages
IEEE , 2008. 874-877 p.
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:liu:diva-43440DOI: 10.1109/ICSENS.2008.4716580Local ID: 73849ISBN: 978-1-4244-2581-5 (print)ISBN: 978-1-4244-2580-8 (print)OAI: oai:DiVA.org:liu-43440DiVA: diva2:264299
Conference
IEEE Sensor Conference,2008
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2014-08-07

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Khranovskyy, VolodymyrEriksson, JensLloyd Spetz, AnitaYakimova, Rositsa

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Khranovskyy, VolodymyrEriksson, JensLloyd Spetz, AnitaYakimova, Rositsa
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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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  • Other style
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Language
  • de-DE
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  • en-US
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  • nn-NB
  • sv-SE
  • Other locale
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Output format
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